/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/ObjectElements/DatasmithUSceneElement.h
UDatasmithSceneElementBaseMaterial
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Datasmith | Scene") [TArray](API\Runtime\Core\Containers\TArray)< [UDatasmithBaseMaterialElement](API\Plugins\DatasmithImporter\ObjectElements\UDatasmithBaseMaterialElement) * > GetAllMaterials()